#include <iostream> #include <cstdio> #include <cstring> #include <string> using namespace std; #define MAXN 2000010 typedef long long ll; const int mod=1000000009; int a[MAXN]; int main() { int t; scanf("%d",&t); while(t--) { int n; scanf("%d",&n); for(int i=0;i<n;i++) scanf("%d",&a[i]); if(n%2&&a[0]%2&&a[n-1]%2) puts("Yes"); else puts("No"); } return 0; } |
Double click to view unformatted code.